Work Item
ASTM WK86356

New Practice for Direct Contact Angle Measurement of Ball Bearings Using the Progression Method

1. Scope

This practice describes a method for measuring the contact angle of angular contact ball bearings (ACBB) and deep grove (radial contact or Conrad) ball bearings (DGBB) by using the “progression” or “turns” method.


rolling element bearings


No such standard exists in the industry

The title and scope are in draft form and are under development within this ASTM Committee.


Developed by Subcommittee: F34.01

Committee: F34

Staff Manager: Frank McConnell

Work Item Status

Date Initiated: 05-10-2023

Technical Contact: John Renaud

Item: 000